Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	Jul. 05, 2016	Jun. 28, 2016	Jan. 28, 2015	Dec. 27, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Number of shares issued and sold				62,500,000
Stock price, per share		$ 3.50
Proceeds from issuance of Common Stock			$ 434
Shares Issued		37,500,000
Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Proceeds from initial public offering	$ 123
Private Placement [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock price, per share				$ 7.04